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clear
//
//
//Initilization of Variables
G=80*10**3 //N/mm**2 //Modulus of rigidity
q_s=80 //N/mm**2 //Max sheare stress
P=736*10**6 //N-mm/sec //Power transmitted
n=200
//Calculations
T=P*60*(2*%pi*n)**-1 //N-mm //Torsional moment
//Now From consideration of angle of twist
theta=%pi*180**-1
//L=15*d
d=(T*32*180*15*(%pi**2*G)**-1)**0.33333
//Now corresponding stress at the surface is
q_s2=T*32*d*(%pi*2*d**4)**-1
//Result
printf("\n Max diameter required is %0.2f mm",d)
printf("\n Corresponding shear stress is %0.2f N/mm**2",q_s2)
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